2129395632 has 160 divisors (see below), whose sum is σ = 6837562368. Its totient is φ = 556028928.

The previous prime is 2129395603. The next prime is 2129395657. The reversal of 2129395632 is 2365939212.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447538 + ... + 452270.

Almost surely, 2^2129395632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2129395632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3418781184).

2129395632 is an abundant number, since it is smaller than the sum of its proper divisors (4708166736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2129395632 is a wasteful number, since it uses less digits than its factorization.

2129395632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867 (or 4861 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 2129395632 is about 46145.3749795145. The cubic root of 2129395632 is about 1286.5266481488.

The spelling of 2129395632 in words is "two billion, one hundred twenty-nine million, three hundred ninety-five thousand, six hundred thirty-two".